At a gallery on a night with thunder, Yeongin is working late, alone, and witnesses a murder. Jihun is brought back from vacation and gets assigned to the case with Detective Seo. There’s no evidence other than a witness, Lee Yeongin. But she has face blindness. She’s the only witness but can’t recognize the murderer’s face. Jihun investigates her past and finds out she had been raped when she was 17 years old. And her face blindness started after that.
Meanwhile, Detective Seo finds out the victim used to work at an amusement park and meets an old colleague Kong Jungho but gets nothing. Yeongin decides to draw what she begins to remember of the suspect’s face. But Kong Junho pays her a visit on the pretext that he’s a detective.
Jihun tells her to trust him but she recalls something suspicious from her friend Minju. Yeongin becomes suspicious and nervous. She remembers the amusement park she saw in the picture and makes a visit and meets Jihun there. The more she wants to trust him, the more he looks like the suspect. So she runs away from him but is spotted by Kong Jungho. He thinks she’s after him and threatens to kill her.
Cast: Cha Su Yeon, Kim Tae Hun, Kim Gyu Cheol, Choi Mu In, Lee Mi So, Nam Dong Jin